KR100770480B1 - 백라이트 유닛 - Google Patents
백라이트 유닛Info
- Publication number
- KR100770480B1 KR100770480B1 KR1020050110699A KR20050110699A KR100770480B1 KR 100770480 B1 KR100770480 B1 KR 100770480B1 KR 1020050110699 A KR1020050110699 A KR 1020050110699A KR 20050110699 A KR20050110699 A KR 20050110699A KR 100770480 B1 KR100770480 B1 KR 100770480B1
- Authority
- KR
- South Korea
- Prior art keywords
- fluorescent lamp
- back cover
- support
- thermal expansion
- inverter
- Prior art date
Links
Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133604—Direct backlight with lamps
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세하게 설명하도록 한다.
Claims (4)
- 상부가 개방된 백 커버; 상기 백 커버 배면 일측에 마련된 인버터에 의하여 구동되며, 상기 백 커버에 내장된 형광 램프; 상기 백 커버 내의 양측 단부 각각에 설치된 사이드 프레임; 상기 사이드 프레임 상에 마련된 확산판; 및 상기 확산판 상에 마련된 광학 시트류;를 포함하는 백라이트 유닛에 있어서,상기 형광 램프는, 양측 단부 각각을 지지하며 열팽창계수가 서로 다른 물질로 이루어진 한 쌍의 지지대에 의하여 상기 백 커버에 내장되되,상기 한 쌍의 지지대 중 상기 인버터 측에 마련된 지지대는 나머지 지지대보다 열팽창계수가 큰 물질로 이루어진 것을 특징으로 하는 백라이트 유닛.
- 삭제
- 제 1 항에 있어서,상기 한 쌍의 지지대 중 상기 인버터 측에 마련된 지지대는 강철로 이루어지고, 나머지 지지대는 실리콘 러버로 이루어진 것을 특징으로 하는 백라이트 유닛.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050110699A KR100770480B1 (ko) | 2005-11-18 | 2005-11-18 | 백라이트 유닛 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050110699A KR100770480B1 (ko) | 2005-11-18 | 2005-11-18 | 백라이트 유닛 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070052907A KR20070052907A (ko) | 2007-05-23 |
KR100770480B1 true KR100770480B1 (ko) | 2007-10-25 |
Family
ID=38275412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050110699A KR100770480B1 (ko) | 2005-11-18 | 2005-11-18 | 백라이트 유닛 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100770480B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9423653B2 (en) | 2013-07-11 | 2016-08-23 | Samsung Display Co., Ltd. | Back light unit and display device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040046243A (ko) * | 2002-11-26 | 2004-06-05 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 백라이트 |
-
2005
- 2005-11-18 KR KR1020050110699A patent/KR100770480B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040046243A (ko) * | 2002-11-26 | 2004-06-05 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 백라이트 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9423653B2 (en) | 2013-07-11 | 2016-08-23 | Samsung Display Co., Ltd. | Back light unit and display device |
Also Published As
Publication number | Publication date |
---|---|
KR20070052907A (ko) | 2007-05-23 |
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